There is only one possible section of either rulebook that could stand in the SPFL's favour - however, it sets them at loggerheads with the SFA.

"...Pyramid Play–Off...against a Candidate Club identified by the SFA from and by means of a...competition approved by the Board."

— Mozza | Derek 🏴󠁧󠁢󠁳󠁣󠁴󠁿 (@MozzaRobertson) April 20, 2021